{
  "manageEntity": {
    "action": "Update",
    "entityId": "752084571",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera42a3q7qnfuwsltt6r5gvqr6luu23igduizn7szxvusdyeu6yy7ga\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[]}}}",
    "nonce": "0xb17299777ea368d5d7c49e234aed1efad41a74bb2a6d8151c753727debdb06c7",
    "signature": "0x849bda93cac949417df0d1fe19be90b803f98b041d81dc36a79800672a81bb7e6a37141e98e469b293298cf195f74f9f05501282050800203c42650a62760d1a1c",
    "signer": "0x37F1f4E1C70365AC851e58B726e5DdCb7C49ef30",
    "userId": "752084571"
  }
}